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Measurement of the Turbidity of the Critically Composed Binary Fluid Mixture
Succinonitrile and Water in the One-Phase Region Near the Critical Solution
Point Using Light Scattering

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Andrew Nowicki

An experiment on turbidity has been done on the binary liquid system of succinonitrile
and water close to the critical point. The data were analyzed assuming Ornstein-Zernike
scattering, which allowed the critical exponents γ and ν to be held constant while the parameters:
turbidity τ_{o}, correlation length amplitude χ_{o}, and the background turbidity
τ_{b} were determined with a fit. The data were then compared to published data, and
two-scale-factor universality was tested.

Plot of the fitted data. This is a log-log plot of the τ - τ_{b} (cm^{-1}),
which is turbidity minus the background turbidity vs. the reduced temperature t. The coefficients
are given in consecutive order along with the respective errors in those values.